INDUSTRIAL TECHNOLOGY

Size: px

Start display at page:

Download "INDUSTRIAL TECHNOLOGY"

Douglas Poole
5 years ago
Views:

1 STUDENT NUMBER CENTRE NUMBER HIGHER SCHOOL CERTIFICATE EXAMINATION 2000 INDUSTRIAL TECHNOLOGY 2 UNIT SECTION II AUTOMOTIVE INDUSTRIES OPTION BODY Total time allowed for Sections I and II One hour and a half (Plus 5 minutes reading time) DIRECTIONS TO CANDIDATES Write your Student Number and Centre Number at the top right-hand corner of this page. Where appropriate, show all working for solutions neatly and clearly. You may use Board-approved drawing instruments and calculators. Section II Body (15 marks) Question 4 is COMPULSORY. Attempt TWO questions from Questions 5, 6, and 7. Answer the questions in the spaces provided in this paper. MARKER S USE ONLY Question

2 2 BLANK PAGE

3 3 SECTION II BODY OPTION (15 Marks) QUESTION 4 This question is COMPULSORY. (5 marks) (a) A motorist is travelling from Sydney to Brisbane. Wishing to check the car s fuel consumption, the motorist carefully fills the tank and zeros the odometer at each service station. At the local petrol station, the tank takes 30 litres of petrol, costing 79 9 cents per litre. The car also needs 1 litre of oil, costing $3 50. At Nambucca Heads, the odometer reads 476 km and the tank needs 45 litres of petrol, which costs 82 9 cents per litre. At Murwillumbah, the odometer reads 401 km and the tank needs 43 litres of petrol, which costs 83 9 cents per litre. When the motorist arrives in Brisbane, the odometer reads 152 km and the tank needs 15 litres of petrol, which costs 79 3 cents per litre. The car also needs half a litre of oil, costing $1 99. Complete the summary of the travel details below. Petrol station Kilometres travelled Litres of petrol used Petrol costs Oil costs Total paid Local station 0 30 $23 97 $3 50 $27 47 Nambucca Heads Murwillumbah Brisbane Totals (i) Calculate the average fuel consumption for the journey.... litres/100 km Calculate the cost per kilometre for the journey for petrol and oil. $... per km Question 4 continues on page 4

4 4 QUESTION 4 (Continued) (b) An exploded view of a piston and connecting rod assembly for an internal combustion engine is shown in Figure 1. FIG. 1. PISTON AND CONNECTING ROD ASSEMBLY

5 5 QUESTION 4 (Continued) Part of the connecting rod is shown in Figure 2. Accurately sketch, in proportion, an assembled view of the piston assembly in the correct position. Do NOT show any hidden detail. FIG. 2 Question 4 continues on page 6

6 6 QUESTION 4 (Continued) (c) When working in the automotive industry, tradespeople deal with a variety of measurements. Complete the table for each of the items listed below. Item Name of measurement unit Symbol for measurement unit (i) (iii) (iv) (v) (vi) Engine capacity Fluid volume Torque Power Pressure Temperature

7 7 Attempt TWO questions from Questions 5, 6, and 7. QUESTION 5 (5 marks) (a) Legislators and car manufacturers are very concerned with vehicle safety and emissions. (i) Name the Commonwealth regulations that manufacturers must adhere to in vehicle production. Name and describe ONE area of body design that has led to improved safety or reduced emissions. Name. Description... (b) For a car to be re-registered when it is more than three years old, it needs to be inspected at an authorised inspection station to check that it is roadworthy. Name TWO different areas of the body that the inspector would check, and describe how each check would be made. Name... Description Name... Description Question 5 continues on page 8

8 8 QUESTION 5 (Continued) (c) Use the following diagrams shown in Figure 3 to assist in explaining the operation of a four-stroke cycle engine. FIG. 3 Stroke Stroke Stroke Stroke

9 9 QUESTION 5 (Continued) (d) A vehicle has been brought in for repair. The owner has complained that there are signs of rust in the body. Complete the table below to suggest possible causes of and remedies for the problem. Possible cause Remedy Two pieces of metal join to form a seam Collection of road grime External environment Store vehicle in garage when not in use Scratches or bare metal Clean surface immediately after spillage Design of component allows water to accumulate Remove rubber grommets from base of door and pillars

10 10 Attempt TWO questions from Questions 5, 6, and 7. QUESTION 6 (5 marks) (a) When a car is driven for long periods, a number of methods can be used to improve vehicle economy. Use the following headings to discuss how vehicle economy can be improved. (i) Tyre pressure Acceleration (iii) Choke (iv) Tuning

11 11 QUESTION 6 (Continued) (b) For the following components, suggest a suitable lubricant and describe the method of application for the lubricant. Component 1 Bonnet hinge Name of lubricant Application of lubricant 2 Door striker 3 Door lock Question 6 continues on page 12

12 12 QUESTION 6 (Continued) (c) When repairing a crashed vehicle, the repairer cannot properly align the rear axle. (i) Give ONE possible reason for the axle s poor alignment. What test would a panel beater use to determine the exact nature of the problem with the axle alignment? (iii) Describe how this test is carried out. (iv) Describe how the replacement or repair would be carried out.

13 13 QUESTION 6 (Continued) (d) (i) When a car is assembled after repair, one of the doors does not close properly. Give THREE possible reasons for this fault. Reason 1... Reason 2... Reason 3... Shortly after a panel has been repaired with body filler, the filler cracks. Give THREE possible reasons for this fault. Reason 1... Reason 2... Reason 3... (iii) After a repaired panel has been spray-painted, the finish is poor. Give THREE possible reasons why this might have occurred. Reason Reason Reason Please turn over

14 Attempt TWO questions from Questions 5, 6, and 7. QUESTION 7 (5 marks) (a) (i) Explain the term preventative maintenance. Preventative maintenance is.

14 14 Attempt TWO questions from Questions 5, 6, and 7. QUESTION 7 (5 marks) (a) (i) Explain the term preventative maintenance. Preventative maintenance is... Describe a preventative maintenance schedule for the engine bonnet hinge shown in Figure 4. Maintenance schedule FIG. 4 Distance Maintenance procedure

15 15 QUESTION 7 (Continued) (b) Motor enthusiasts wish to increase the performance of their vehicles. For each of the following, name and describe ONE method of increasing the performance over standard. (i) (iii) (iv) Brake cooling Method... Description... Down force Method... Description... Aerodynamic efficiency Method... Description... Driver safety Method... Description... Question 7 continues on page 16

16 16 QUESTION 7 (Continued) (c) A panel beater is repairing a dashboard. The steering wheel has to be removed so that repairs can be carried out. (i) Name the tool used to remove the steering wheel. Describe, using sketches, how the steering wheel is removed. Label your sketches End of paper Board of Studies NSW 2000

Industrial Technology

2011 HIGHER SCHOOL CERTIFICATE EXAMINATION Industrial Technology Automotive Technologies Total marks 40 General Instructions Reading time 5 minutes Working time 1 1 hours 2 Write using black or blue pen